Search results

IIR document

Data driven assessment of a small scale evaporative condenser based on a combined artificial neural network with design of experiment approach.
- Author(s) : REICHERT H., DONNI R., SCHNEIDER P., ACUNHA I. C. Jr
- Publication date: 2020/07
- Languages :
- Keywords : Evaporative condenser, Testing, Artificial neural network, Performance, Design, Modelling
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 115
- Formats : PDF
More information
IIR document

Condensation and evaporation of pure refrigerant flowing in small diameter micro-fin tubes.
- Author(s) : BASHAR M. K., NAKAMURA K., KARIYA K., et al.
- Publication date: 2019/08/24
- Languages : English
- Keywords : R134a, R1234yf, Heat transfer coefficient, Microfin tube, Flux, Expérimentation, Evaporation, Refrigerant, Condensation
- Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Formats : PDF
More information
Condensation and evaporation of R744/R32/R1234ze(E) flow in horizontal microfin tubes.
- Author(s) : KONDOU C., MISHIMA F., LIU J. F., et al.
- Publication date: 2014/07/14
- Languages : English
- Keywords : Heat transfer coefficient, Microfin tube, R744, R32, R1234ze, Mixture, Pressure, Expérimentation, Evaporation, Refrigerant, Condensation, CO2
- Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
More information
IIR document

Experimental investigation of condensation and evaporation heat transfer characteristics of R454C in plate heat exchanger.
- Author(s) : TUN T., YOSHIDA K., DIAW S., KARIYA K., MIYARA A.
- Publication date: 2021/06
- Languages : English
- Keywords : Plate exchanger, Heat exchanger, Condensation, Evaporation, R454C, Expérimentation, Thermodynamic property, HFO, Heat transfer
- Source: 2^ndIIR Conference on HFO Refrigerants and Low GWP Blends
- Formats : PDF
More information
IIR document

Capillary condensation and evaporation of water in two-dimensional hexagonal mesoporous silica.
- Author(s) : HWANG J., SAKAMOTO K., YANAGIHARA H., et al.
- Publication date: 2015/08/16
- Languages : English
- Keywords : Silica, Capillarity, Adsorption, Expérimentation, Evaporation, Desorption, Condensation, Water
- Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
- Formats : PDF
More information
Condensation and evaporation of R134a, R1234ze(E) and R1234ze(Z) flow in horizontal microfin tubes at higher temperatures.
- Author(s) : KONDOU C., MISHIMA F., LIU J. F., et al.
- Publication date: 2014/07/14
- Languages : English
- Keywords : R134a, Heat transfer coefficient, Microfin tube, Temperature, R1234ze, Pressure, Expérimentation, Evaporation, Refrigerant, Condensation
- Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
More information
Condensation and evaporation local heat transfer characteristics of the refrigerant mixture of R1123 and R32 inside a plate heat exchanger.
- Author(s) : KARIYA K., SONODA K., MIYARA A.
- Publication date: 2018/07/09
- Languages : English
- Keywords : Heat transfer coefficient, R32, , Binary mixture, Expérimentation, Evaporation, Condensation, Plate exchanger
- Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
More information
IIR document

Experimental and numerical study of heat transfer in evaporation and condensation with R410A, R32 and R454B in a finned tube heat exchanger.
- Author(s) : PARDO P., GAILLARD N., MONDOT M.
- Publication date: 2019/08/24
- Languages : English
- Keywords : Heat exchanger, Condensation, Evaporation, Expérimentation, Performance, Thermodynamic property, R32, R454B, Finned tube, R410A
- Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Formats : PDF
More information
IIR document

Condensation and evaporation heat transfer characteristics of pure and binary-mixture HFO refrigerants inside a plate heat exchanger.
- Author(s) : KARIYA K., MIYARA A.
- Publication date: 2019/08/24
- Languages : English
- Keywords : Heat transfer coefficient, R32, , Binary mixture, HFO, Evaporation, Testing, Condensation, Heat exchanger, Plate exchanger, Pressure drop
- Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Formats : PDF
More information
IIR document

Condensation and evaporation heat transfer of R32 and R410A in reversible shell-and-tube and brazed plate heat exchangers.
- Author(s) : CENSI G., PADOVAN A.
- Publication date: 2023/08/21
- Languages : English
- Keywords : Evaporation, Condensation, Heat transfer, R32, R410A, Shell and tube exchanger, Brazed plate heat exchangers, Heat pump, Expérimentation, Performance, Two-phase flow
- Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
- Formats : PDF
More information
Relationship between condensation and evaporation temperature in a refrigeration cycle: dragging term.
- Author(s) : MORENO-RODRIGUEZ A.
- Publication date: 2016/05/03
- Languages : English
- Keywords : Refrigerating system, Comparison, Temperature, Efficiency, Evaporation, Condensation
- Source: CYTEF 2016. VIII Congreso Ibérico y VI Congreso Iberoamericano de las Ciencias y Técnicas del Frío, Coimbra-Portugal, 3-6 mayo, 2016.
- Formats : PDF
More information
IIR document

Evaporative cooling and Legionella: a risk which can be prevented by using good practices, 18th Informatory Note on refrigerating technologies.
- Publication date: 2006/02
- Languages :
- Keywords : Regulations, Contamination, Microbiology, Legionella, Cooling tower, Recommendation, Review, Evaporative system, Air conditioning, Evaporative condenser
- Source: IIF, Note Inf./IIR, Inf. Note/www.iifiir.org - n. 18
- Formats : PDF
More information
IIR document

Measurements of local heat transfer coefficient during condensation and evaporation in plate heat exchanger.
- Author(s) : KAWAZOE A., KARIYA K., MIYARA A.
- Publication date: 2015/08/16
- Languages : English
- Keywords : Heat transfer coefficient, Measurement, Evaporation, Condensation, Heat exchanger, Plate exchanger
- Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
- Formats : PDF
More information
IIR document

Experimental heat exchanger test facility for evaporation and condensation of hydrocarbons.
- Author(s) : TRAEDAL S., SKAUGEN G., NIKOLAISEN M., STANG J.
- Publication date: 2020/12/07
- Languages : English
- Keywords : Hydrocarbon, Heat transfer, Thermodynamic property, Pressure drop, Expérimentation, Heat exchanger, Test rig, Design, Prototype, Evaporation, Condensation, Mixture
- Source: 14^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9^th 2020.
- Formats : PDF
More information
Analysis of an evaporative condensation system coupled to a microchannel-separated heat pipe for data centers.
- Author(s) : WANG Y., HUANG X., CHU J., DU Y., TANG X., DAI C., MA G.
- Publication date: 2022/12
- Languages : English
- Keywords : Data centre, Microchannel, Heat pipe, Hybrid system, COP, Performance, Evaporative condenser, Energy consumption, Free cooling, Indirect system
- Source: Energies - 15 - 23
- Formats : PDF
More information

See all results in the Fridoc database

Briefs: Water savings thanks to hybrid condensers

Hybrid condensers offer significant water savings versus traditional water-cooled and evaporative condensers. They also make it possible to reduce energy consumption and refrigerant charge. In Australia, where water savings are a major issue since...
- Publication date : 2007/08/05
Read more
Briefs: Largest distribution centre in Africa

The centre, built by Woolworths in Midrand, South Africa has a surface area of 72 000 m². The 2-stage refrigeration system uses 4.2 tons of ammonia. It operates at -9°C/+32°C on the low stage while the high-stage ammonia circuit is used to chill...
- Publication date : 2008/02/12
Read more
Sorption chillers

Sorption chiller technology is rapidly developing, especially that using solar energy. - As highlighted by Jacob and Kohlenbach* during the latest IIR Gustav Lorentzen Conference on Natural Working Fluids in Sydney, in Europe, numerous new...
- Publication date : 2011/02/07
Read more
The global evaporative condensing unit market.

A projection for the ten next years.
- Publication date : 2017/03/02
Read more
The environmental benefits of evaporative cooling

An Eurovent study shows that evaporative cooling could help save up to 56,000 tons of CO2 emissions per year in the future in the European Union. Evaporative cooling is present in half of the projects presented by the eight Global Cooling Prize...
- Publication date : 2019/12/30
Read more
Ohrid conference highlights: ammonia refrigeration in China

Over 92% of Chinese cold stores have adopted ammonia as a refrigerant. Over 92% of Chinese cold stores have adopted ammonia as a refrigerant. According to Jianji Zhang, series reciprocating compressors are currently the most widely used due to...
- Publication date : 2013/08/21
Read more
Scientists develop a chip to detect Legionelia very quickly

Researchers at the Technical University of Munich claim to have developed a test for quick detection of Legionella bacteria.
- Publication date : 2018/04/09
Read more
UK: ammonia system cuts energy use in brewery

A Yorkshire Heineken brewery has implemented a new ammonia refrigeration system, designed by J&E Hall to operate with the existing monopropylene glycol secondary loop. The new plant has reduced the electricity bill by a third, generated...
- Publication date : 2011/08/17
Read more
ICR2019: overview of current refrigeration research topics (part III)

Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.
- Publication date : 2019/10/30
Read more
Kenyan fish processing facility upgrades from R22 to ammonia

East Africa Sea Foods (EASF), a fish processing facility in Kenya, recently replaced its aging R22 refrigeration system with a two-stage ammonia system.
- Publication date : 2020/04/05
- Subjects: HFCs alternatives, Developing country
Read more
ICR2011 highlights: a refrigeration road map for supermarkets

A road map developed by a team from London South Bank University, Faculty of Engineering, Science and the Built Environment introduces the main saving opportunities for refrigeration in the retail sector
- Publication date : 2011/12/13
Read more

News from IIR members: Johnson Controls

Johnson Controls and Princess Noura bint Abdulrahman University are beating the record books with York CYK chillers. To construct what is claimed to be the world's largest chiller plant using air-cooled radiators, Johnson Controls is providing 26...
- Publication date : 2011/02/07
Read more
Conference update: Ohrid

The 3rd IIR event in a series, Ammonia Refrigeration Technology was held on May 7-9, 2009, in Ohrid, Macedonia. With 95 participants from 24 countries and 32 papers presented, the event was very successful. A key focus of this series of...
- Publication date : 2009/05/27
Read more
News from IIR members: Star Refrigeration

Star Refrigeration has installed a highly efficient Azanechiller at a Scottish meat processing facility. The central pumped glycol system has a total cooling capacity of 365kW and includes pumps with variable speed drives, six ceiling...
- Publication date : 2011/08/04
Read more